Tasty VOCs – Ioni-bears measurement

Breathing Sweet: Measuring the Flavor Footprint of Ioni-Bears

Tasty VOCs! 🐻

Ever wondered what molecules linger in your breath after enjoying a piece of candy? Our applied science team recently explored the flavor chemistry of our merchandise gummy bears, or "Ioni-bears," by analyzing the breath after chewing different colors/flavors. For scientific purpose only, of course. 😉
Using our high-tech instrument the Fusion-PTR-TOF 10, the researchers meticulously measured the volatile organic compounds (VOCs) released into the breath. The goal was to determine which specific molecules are responsible for the distinct fruity flavors of each bear and how to trace them in real time.

The Sweet Lineup

Our Ioni-bears come in six vibrant colors, each corresponding to a unique flavor profile. The experiment followed a carefully designed protocol: participants first provided three blank breath samples to establish a baseline. They then chewed one Ioni-bear and exhaled five times for breath analysis. After rinsing their mouth with water (documented with two additional blank measurements), they chewed a differently flavored Ioni-bear and provided five more breath samples. This cycle – chew, measure, rinse, repeat – was continued with all the different bear flavors to capture the volatile compounds released after consumption.

The measurement successfully identified key molecular ions that allow each Ioni-bear flavor to be distinguished from the others. These ions are the protonated form of the flavor molecules, detected in the participant's breath.
Here are some of the chemical signatures for specific bears:

Yellow Bear (Lemon): C₃H₆O₂·H⁺, C₇H₆.H⁺, C₇H₆O.H⁺
Red Bear (Raspberry): C₆H₁₂O₂.H⁺, C₇H₁₄O₂.H⁺, C₈H₁₆O₂.H⁺, C₁₀H₁₀O₂.H⁺
Orange Bear (Orange): C₆H₈.H⁺, C₇H₆.H⁺, C₆H₁₂O₂.H⁺, C₁₀H₁₆.H⁺
Black Bear (Grape): C₂H₆O.H⁺, C₄H₆O.H⁺, C₅H₄O₂.H⁺
Clear (Pineapple): C₂H₆O.H⁺, C₇H₆.H⁺, C₅H₄O₂.H⁺, C₁₀H₁₆.H⁺
Green Bear (Apple): C₂H₆O.H⁺, C₄H₆O.H⁺, C₄H₈O₂.H⁺, C₅H₄O₂.H⁺

Fig. 1: Excerpt of the breath-profile curves showing exhaled air after consuming three different Ioni-bears (yellow, red, and orange).

Interpreting the Molecular Fingerprints

The detected molecules offer clues about the ingredients used to create the candy's flavor. These results show that the distinct flavors of the Ioni-bears translate directly into measurable chemical signatures in breath. The analysis provides a fascinating look into the formulation of these treats, demonstrating how flavor chemists use specific molecules, from fruity esters and monoterpenes to added acidifiers, to deliver that perfect burst of gummy goodness.

Fig. 2: Key markers and characteristic differences among the various Ioni-bear flavors (mean values averaged over 5 breath cycles).

Food, Flavor & Fragrance

Our FUSION PTR-TOF instruments offer the ultimate performance making them ideal for the food, flavor, and fragrance industries, where advanced scientific insights are necessary.
PTR-MS with high mass resolution enables the precise separation of isobaric compounds. This makes it ideal for analyzing the complex aromas of food, beverages, and other products. This technology allows for the non-invasive detection of trace compounds without extensive sample preparation, which is crucial for understanding subtle differences in quality, authenticity, and sensory impact.